Handover Drop Rate of TCH

Measurement Counter

RH333: CELL_TCH_HO_DROP

Description

This measurement provides the number of call drops due to handover on the TCH.

Unit

%.

Measurement Point

At the end of the granularity period, this counter is calculated by using the following formula.

Formula

Handover Drop Rate of TCH=

([Call Drops on Signal Channel (TCH)]+

[Call Drops in TCH Handovers (Traffic Channel)])*{100}

/

([Successful TCH Seizures (Signaling Channel)]+

[Successful TCH Seizures (Traffic Channel)]+

[Successful TCH Seizures in TCH handovers (Traffic Channel)])